The parameter order mismatches tpm_transmit_cmd().

Fixes: c659af78eb7b ("tpm: Check size of response before accessing data")
Signed-off-by: Jarkko Sakkinen <[email protected]>
---
 drivers/char/tpm/tpm-interface.c | 14 +++++++-------
 drivers/char/tpm/tpm-sysfs.c     | 33 ++++++++++++++++-----------------
 drivers/char/tpm/tpm.h           |  2 +-
 3 files changed, 24 insertions(+), 25 deletions(-)

diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 423938e..bcce061 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -478,7 +478,7 @@ static const struct tpm_input_header tpm_getcap_header = {
 };
 
 ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
-                  const char *desc, size_t min_cap_length)
+                  size_t min_cap_length, const char *desc)
 {
        struct tpm_cmd_t tpm_cmd;
        int rc;
@@ -555,8 +555,8 @@ int tpm_get_timeouts(struct tpm_chip *chip)
                return 0;
        }
 
-       rc = tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, NULL,
-                       sizeof(cap.timeout));
+       rc = tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap,
+                       sizeof(cap.timeout), NULL);
        if (rc == TPM_ERR_INVALID_POSTINIT) {
                /* The TPM is not started, we are the first to talk to it.
                   Execute a startup command. */
@@ -565,8 +565,8 @@ int tpm_get_timeouts(struct tpm_chip *chip)
                        return rc;
 
                rc = tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap,
-                               "attempting to determine the timeouts",
-                               sizeof(cap.timeout));
+                               sizeof(cap.timeout),
+                               "attempting to determine the timeouts");
        }
 
        if (rc) {
@@ -630,8 +630,8 @@ int tpm_get_timeouts(struct tpm_chip *chip)
        chip->timeout_d = usecs_to_jiffies(timeout_eff[3]);
 
        rc = tpm_getcap(chip, TPM_CAP_PROP_TIS_DURATION, &cap,
-                       "attempting to determine the durations",
-                       sizeof(cap.duration));
+                       sizeof(cap.duration),
+                       "attempting to determine the durations");
        if (rc)
                return rc;
 
diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
index 2f596d7..fb9b7fe 100644
--- a/drivers/char/tpm/tpm-sysfs.c
+++ b/drivers/char/tpm/tpm-sysfs.c
@@ -96,9 +96,8 @@ static ssize_t pcrs_show(struct device *dev, struct 
device_attribute *attr,
        char *str = buf;
        struct tpm_chip *chip = to_tpm_chip(dev);
 
-       rc = tpm_getcap(chip, TPM_CAP_PROP_PCR, &cap,
-                       "attempting to determine the number of PCRS",
-                       sizeof(cap.num_pcrs));
+       rc = tpm_getcap(chip, TPM_CAP_PROP_PCR, &cap, sizeof(cap.num_pcrs),
+                       "attempting to determine the number of PCRS");
        if (rc)
                return 0;
 
@@ -123,8 +122,8 @@ static ssize_t enabled_show(struct device *dev, struct 
device_attribute *attr,
        ssize_t rc;
 
        rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_PERM, &cap,
-                       "attempting to determine the permanent enabled state",
-                       sizeof(cap.perm_flags));
+                       sizeof(cap.perm_flags),
+                       "attempting to determine the permanent enabled state");
        if (rc)
                return 0;
 
@@ -140,8 +139,8 @@ static ssize_t active_show(struct device *dev, struct 
device_attribute *attr,
        ssize_t rc;
 
        rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_PERM, &cap,
-                       "attempting to determine the permanent active state",
-                       sizeof(cap.perm_flags));
+                       sizeof(cap.perm_flags),
+                       "attempting to determine the permanent active state");
        if (rc)
                return 0;
 
@@ -157,8 +156,8 @@ static ssize_t owned_show(struct device *dev, struct 
device_attribute *attr,
        ssize_t rc;
 
        rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_PROP_OWNER, &cap,
-                       "attempting to determine the owner state",
-                       sizeof(cap.owned));
+                       sizeof(cap.owned),
+                       "attempting to determine the owner state");
        if (rc)
                return 0;
 
@@ -174,8 +173,8 @@ static ssize_t temp_deactivated_show(struct device *dev,
        ssize_t rc;
 
        rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_VOL, &cap,
-                       "attempting to determine the temporary state",
-                       sizeof(cap.stclear_flags));
+                       sizeof(cap.stclear_flags),
+                       "attempting to determine the temporary state");
        if (rc)
                return 0;
 
@@ -193,8 +192,8 @@ static ssize_t caps_show(struct device *dev, struct 
device_attribute *attr,
        char *str = buf;
 
        rc = tpm_getcap(chip, TPM_CAP_PROP_MANUFACTURER, &cap,
-                       "attempting to determine the manufacturer",
-                       sizeof(cap.manufacturer_id));
+                       sizeof(cap.manufacturer_id),
+                       "attempting to determine the manufacturer");
        if (rc)
                return 0;
        str += sprintf(str, "Manufacturer: 0x%x\n",
@@ -202,8 +201,8 @@ static ssize_t caps_show(struct device *dev, struct 
device_attribute *attr,
 
        /* Try to get a TPM version 1.2 TPM_CAP_VERSION_INFO */
        rc = tpm_getcap(chip, TPM_CAP_VERSION_1_2, &cap,
-                       "attempting to determine the 1.2 version",
-                       sizeof(cap.tpm_version_1_2));
+                       sizeof(cap.tpm_version_1_2),
+                       "attempting to determine the 1.2 version");
        if (!rc) {
                str += sprintf(str,
                               "TCG version: %d.%d\nFirmware version: %d.%d\n",
@@ -214,8 +213,8 @@ static ssize_t caps_show(struct device *dev, struct 
device_attribute *attr,
        } else {
                /* Otherwise just use TPM_STRUCT_VER */
                rc = tpm_getcap(chip, TPM_CAP_VERSION_1_1, &cap,
-                               "attempting to determine the 1.1 version",
-                               sizeof(cap.tpm_version));
+                               sizeof(cap.tpm_version),
+                               "attempting to determine the 1.1 version");
                if (rc)
                        return 0;
                str += sprintf(str,
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index bff37be..3f76825 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -499,7 +499,7 @@ ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void 
*buf, size_t bufsiz,
                         size_t min_rsp_body_len, unsigned int flags,
                         const char *desc);
 ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
-                  const char *desc, size_t min_cap_length);
+                  size_t min_cap_length, const char *desc);
 int tpm_get_timeouts(struct tpm_chip *);
 int tpm1_auto_startup(struct tpm_chip *chip);
 int tpm_do_selftest(struct tpm_chip *chip);
-- 
2.9.3


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